How do I uninstall and reinstall my Elements 13

my elements 13 has gone system not shut down cycle . . . want restart. hit yes button , same message on , over. had message "core telephony . . . " took imac 10.11.5 shop did diagnostic , found nothing.
still don't have . . . , need/use daily . . . elements back.
how uninstall , reinstall? fix this?

i had message "core telephony . . . "

we need see full error message , associated error codes. if posted screenshot of error.

 

you can try uninstalling , reinstalling no guarantees.

 

deactivate in pse editor (help > deactivate) before uninstall.

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